Answered: x has continuous random variable is…

x has continuous random variable is normally distributed and average 40, standard deviation 10. So what is the probability of P (30

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Estimation

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Question

3 - x has continuous random variable is normally distributed and average 40, standard deviation 10. So what is the probability of P (30 <x <50)?

A) 0,4778

B) 0,6826

C) 0,4946

D) 0,3413

E) 0,8413

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